Step 1: Visit your bank's nearest branch. Step 2: Carry your Aadhaar or your e-Aadhaar.Seed your Aadhaar number via Branch. Here's how you can link your bank account to your Aadhaar number at an HDFC Bank branch. Fill in all your details, including your name, bank account number, name of the bank, name of the branch, residential address and so on. Step 1: Visit the branch office of your bank. Step 2: Fill out the Aadhaar linking application. Visit your nearest bank branch. 2. Carry a self-attested copy of your Aadhaar card. 3. There are two ways you can carry out the Aadhar card linking process online via internet banking or a mobile app.